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| Criterion |  Product Discovery Problem Interview |  Operations A3 Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 30-60 min je Interview | 45-90 min | 2-8 h |
Participantsdifferent | 5-12 Interviews | 2-5 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | A3 Report, Action Plan, Root Cause Analysis | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | DiscoveryInterviewsValidation | LeanProblem solvingCoachingOperations | Problem solvingRoot causeDecisionOperations |
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